<template>
  <div class="container">
    <div class="login-container">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
        label-position="left">

        <div class="title-container">
          <h3 class="title">Login Form</h3>
        </div>

        <el-form-item prop="username">

          <el-input ref="username" v-model="loginForm.username" placeholder="Username" name="username" type="text"
            tabindex="1" auto-complete="on" />
        </el-form-item>

        <el-form-item prop="password">

          <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType"
            placeholder="Password" name="password" tabindex="2" auto-complete="on" @keyup.enter.native="handleLogin" />

        </el-form-item>

        <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
          @click.native.prevent="handleLogin">Login</el-button>

        <div class="tips">
          <span style="margin-right:20px;">username: miya</span>
          <span> password: rootroot</span>
        </div>

      </el-form>
    </div>
  </div>
</template>

<script>
import { login } from "@/api/user.js";
import store from '@/store'; 


export default {
  data() {

    const validateUsername = (rule, value, callback) => {
      if (!value) {
        callback(new Error('Please enter the username'));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'));
      } else {
        callback();
      }
    };
    return {

      loginForm: {
        username: 'miya',
        password: 'rootroot'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: this.validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: this.validatePassword }]
      },
      loading: false,
      passwordType: 'password',
    };
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = '';
      } else {
        this.passwordType = 'password';
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    async handleLogin() {
      try {
        const requestData = new URLSearchParams({
          username: this.loginForm.username,
          password: this.loginForm.password
        });
        const res = await login(requestData);
        if (res.code == 10000) {
          store.dispatch('saveToken',res.data.token)
          // 提示登录成功
          this.$message({
            message: '登录成功',
            type: 'success'
          });
          this.$router.push({ path: '/' });

        } else {
          this.$message({
            message: res.message,
            type: 'error'
          });
        }
      } catch (error) {
        console.error('There was an error fetching the data!', error);
      }
    },
  },
};





</script>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.container {
  position: relative;
  top: 50%;
  
}

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  position: absolute;
  max-width: 100%;
  transform: translate(0, 50%);
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
